Updating CDN when it is activated and the site using W3 Total cache

gistfile1.aw

<?php
$cdn_activated = false;
if( function_exists( 'w3_instance' ) ) {
    $cdn_activated = w3_instance('W3_Config')->get_boolean( 'cdn.enabled' );
    @set_time_limit( w3_instance('W3_Config')->get_integer('timelimit.cdn_import') );
}

$upload_dir = wp_upload_dir();
$file = 'test/somefile.png';
$new_location = $upload_dir[ 'baseurl' ] . $file;
 
if( $cdn_activated ) {
    $cdn_type   = w3_instance('W3_Config')->get_string( 'cdn.engine' );
    $cdn_object = w3_instance('W3_Plugin_CdnCommon');
 
    $results_cdn = array();
    $cdn_object->upload( get_files_for_upload( $file ), false, $results_cdn );
 
    if( isset( $results_cdn[0], $results_cdn[0]['remote_path'] ) && ! empty( $results_cdn[0]['remote_path'] ) && empty( $results_cdn[0]['error'] ) ) {
        $new_location = $results_cdn[0]['remote_path'];
    }
}

function get_files_for_upload( $file ) {
    $files = array();
    $upload_dir = wp_upload_dir();
 
 
    $parse_url = parse_url( $upload_dir['baseurl'] );
    if( $parse_url ) {
        $baseurlpath = ( ! empty( $parse_url['path'] ) ? trim( $parse_url['path'], '/' ) : '' );
    } else {
        $baseurlpath = 'wp-content/uploads';
    }
 
    $upload_dir['baseurlpath'] = '/' . $baseurlpath . '/';
 
 
    $local_file = $upload_dir['basedir'] . $file;
    $remote_file = ltrim( $upload_dir['baseurlpath'] . $file, '/' );
 
    $files[ $local_file ] = $remote_file;
 
    return $files;
}